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单词
频率标准
释义
频率标准
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的,且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
理学
〔原子物理应用〕
释
frequency standards
频率标准
用信号频率相当准确和单一的正弦振荡信号发生器确定频率的计量。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
>原子与分子物理学>冷原子分子物理>释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
随便看
remote sensing and environmental analysis information system
remote sensing anomaly
remote sensing application
remote sensing archaeology
remote sensing balloon
remote sensing data acquisition
remote sensing data assimilation
remote sensing database software
remote sensing data preprocessing
remote sensing data processing
remote sensing data sources in forestry
remote sensing for atmospheric pollution
remote sensing for environmental engineering
remote sensing for surveying and mapping
remote sensing Fourier transform infrared spectrometry
remote sensing geological application
remote sensing geological database
remote sensing geological interpretation map
remote sensing geological report
remote sensing geological survey
remote sensing geology
remote sensing geometry
remote sensing hydrology
remote sensing image
remote sensing image analysis
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更新时间:2026/8/19 17:24:07